49.14% is the change from 639 to 953
Calculation steps:
[( 953 - 639 ) ÷ 639] x 100 = 49.14%
Formula
Percentage change = [(953 - 639) / 639] x 100
Subtract the new number by the original number
953 - 639 = 314
314 ÷ 639 = 0.49139280125195617
0.49139280125195617 x 100 = 49.14%